Social media is, in some ways, just another arena for a popularity contest. Influence is the new popularity. Fame is the ultimate popularity. Instead of showing off your new hat to the people who go to the General Store in your small town, you can show it off to your social network, which spans many towns and cities, several states and often a few nations. So who’s winning? Who’s the most popular? And what can we learn about how popularity works that we can use as social media marketers?